Oven mitt



FIG. 1 is a perspective view of an oven mitt;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict environment and form no part of the claimed design. 

CLAIM The ornamental design for an oven mitt, as shown, and described. 